Track assembly



FIG. 1 is a perspective drawing showing front, left side and partial top views of my new design for a track assembly.

FIG. 2 is a perspective drawing showing front, right side and partial top views of my new design for a track assembly.

FIG. 3 is a drawing showing a left side view thereof;

FIG. 4 is a drawing showing a right side view thereof;

FIG. 5 is a drawing showing a front view thereof;

FIG. 6 is a drawing showing a rear view thereof;

FIG. 7 is a drawing showing a top view thereof; and,

FIG. 8 is a drawings showing a bottom view thereof. 

CLAIM The ornamental design for a track assembly, as shown and described. 